JP2005155155A - Soundproof door - Google Patents

Soundproof door Download PDF

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JP2005155155A
JP2005155155A JP2003394699A JP2003394699A JP2005155155A JP 2005155155 A JP2005155155 A JP 2005155155A JP 2003394699 A JP2003394699 A JP 2003394699A JP 2003394699 A JP2003394699 A JP 2003394699A JP 2005155155 A JP2005155155 A JP 2005155155A
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sound absorbing
sound
door
absorbing groove
floor surface
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Yoichiro Kuroiwa
陽一郎 黒岩
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Kuroiwa Yoichiro
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Kuroiwa Yoichiro
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a soundproof door which can obtain adequate soundproof performance by a relatively simple structure, and which can greatly reduce costs. <P>SOLUTION: This soundproof door is equipped with a sound absorbing groove 12 which is opened in an end surface of a lower part, mutually facing a floor surface 20, of a door body 11, which is continuously provided in a linear or wavy shape along the longitudinal direction of the door body 11. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、外部の音が室内に入ったり、室内の音が外へ漏れたりするのを防止するための防音扉に関する。 The present invention relates to a soundproof door for preventing external sound from entering a room or leaking sound from the room to the outside.

扉の下部には、床面との隙間が存在しており、この隙間を通過する音（騒音）によって、例えば、生活環境や健康等に支障が出るという問題がある。このような問題を解決するために、例えば、扉の開閉に伴って扉の下部と床面との隙間を遮断するための弾性シールを昇降自在とする閉鎖装置が提案されている（例えば、特許文献１参照）。   There is a gap between the floor and the floor, and there is a problem that sound (noise) passing through the gap may interfere with, for example, the living environment and health. In order to solve such a problem, for example, a closing device has been proposed in which an elastic seal for closing a gap between the lower portion of the door and the floor surface can be raised and lowered as the door is opened and closed (for example, a patent) Reference 1).

しかしながら、このような閉鎖装置では、弾性シールと床面との間及び弾性シールの長手方向両端部側に隙間が存在しており、扉と床面との間の隙間を弾性シールによって完全に塞ぐことができないため、十分な遮音性能を得ることができないという問題がある。また、弾性シールを昇降自在とすると、その構造が複雑化し、故障が発生し易く、コストがかかってしまうという問題もある。   However, in such a closing device, there are gaps between the elastic seal and the floor surface and at both ends in the longitudinal direction of the elastic seal, and the gap between the door and the floor surface is completely closed by the elastic seal. Therefore, there is a problem that sufficient sound insulation performance cannot be obtained. Further, if the elastic seal can be moved up and down, the structure becomes complicated, a failure is likely to occur, and the cost is increased.

特開２００３−１９３７６４号公報（第４図及び第５図）Japanese Unexamined Patent Publication No. 2003-193964 (FIGS. 4 and 5)

本発明は、このような事情に鑑み、比較的簡単な構造で十分な遮音性能を得ることができると共に大幅なコストの削減を図ることができる防音扉を提供することを課題とする。   In view of such circumstances, an object of the present invention is to provide a soundproof door that can obtain a sufficient sound insulation performance with a relatively simple structure and can achieve a significant cost reduction.

上記課題を解決する本発明の第１の態様は、扉本体の床面と相対向する下部の端面に開口すると共に当該床面の長手方向に沿って設けられた音吸収溝を具備することを特徴とする防音扉にある。   A first aspect of the present invention that solves the above-described problem includes a sound absorbing groove that opens in a lower end surface facing the floor surface of the door body and that is provided along the longitudinal direction of the floor surface. The soundproof door is characteristic.

本発明の第２の態様は、第１の態様において、前記音吸収溝は、前記床面に沿って連続的に設けられていることを特徴とする防音扉にある。   A second aspect of the present invention is the soundproof door according to the first aspect, wherein the sound absorbing groove is continuously provided along the floor surface.

本発明の第３の態様は、第１又は２の態様において、前記音吸収溝の深さが少なくとも前記扉本体と前記床面との間隔よりも深いことを特徴とする防音扉にある。   A third aspect of the present invention is the soundproof door according to the first or second aspect, wherein the depth of the sound absorbing groove is deeper than at least a distance between the door body and the floor surface.

本発明の第４の態様は、第１〜３の何れかの態様において、前記音吸収溝は、開口側の幅よりも底部側の幅が幅広となっていることを特徴とする防音扉にある。   According to a fourth aspect of the present invention, in the soundproof door according to any one of the first to third aspects, the sound absorbing groove has a width on the bottom side wider than a width on the opening side. is there.

本発明の第５の態様は、第１〜４の何れかの態様において、前記音吸収溝の内面の少なくとも一部が凹凸面となっていることを特徴とする防音扉にある。   A fifth aspect of the present invention is the soundproof door according to any one of the first to fourth aspects, wherein at least a part of the inner surface of the sound absorbing groove is an uneven surface.

本発明の第６の態様は、第１〜５の何れかの態様において、前記音吸収溝の内面の少なくとも一部が吸音材によって覆われていることを特徴とする防音扉にある。   A sixth aspect of the present invention is the soundproof door according to any one of the first to fifth aspects, wherein at least a part of the inner surface of the sound absorbing groove is covered with a sound absorbing material.

本発明の第７の態様は、第１〜６の何れかの態様において、少なくとも前記音吸収溝の内面を形成する部分が木材からなることを特徴とする防音扉にある。   A seventh aspect of the present invention is the soundproof door according to any one of the first to sixth aspects, wherein at least a portion forming the inner surface of the sound absorbing groove is made of wood.

かかる本発明の防音扉は、扉本体の床面と相対向する下部に音を吸収するための音吸収溝を設けることで、扉本体の下部と床面との間を通過する音が拡散・吸収され、これによって十分な遮音性能が得られ、且つ大幅なコストの削減を図ることができるものである。   Such a soundproof door of the present invention has a sound absorbing groove for absorbing sound in the lower part opposite to the floor surface of the door body, so that the sound passing between the lower part of the door body and the floor surface is diffused. As a result, it is possible to obtain a sufficient sound insulation performance and to greatly reduce the cost.

具体的に説明すれば、室外又は室内の騒音（音波）は、扉本体の下部と床面との隙間を通過する際に、小さな波動となり、例えば、床面等で反射されて音吸収溝に入射する。そして、音吸収溝内に入射した音は、その内部で拡散（分散）され、あるいは波動が乱され、最終的には非常に小さな波動となって、扉本体と床面との間を抜け出ることになる。これにより、十分な遮音性能を得ることができる。また、本発明の防音扉は、扉本体の下部に音吸収溝を設けるという比較的簡単な構造であるため、機械的な構造が不要であり、また、設計変更等の必要もなく、既存の扉に容易に適用することができる。したがって、大幅なコストの削減を図ることができる。   More specifically, outdoor or indoor noise (sound waves) becomes a small wave when passing through the gap between the lower part of the door body and the floor surface, and is reflected on the floor surface or the like, for example, in the sound absorbing groove. Incident. Then, the sound that has entered the sound absorbing groove is diffused (dispersed) in the inside or the wave is disturbed, and finally becomes a very small wave, and escapes between the door body and the floor surface. become. Thereby, sufficient sound insulation performance can be obtained. In addition, the soundproof door of the present invention has a relatively simple structure in which a sound absorbing groove is provided in the lower part of the door body, so that no mechanical structure is required, and there is no need to change the design. Can be easily applied to doors. Therefore, significant cost reduction can be achieved.

ここで、音吸収溝は、扉本体の床面と相対向する下部の端面に開口し、その床面の長手方向に沿って直線状に設けられていてもよいし、波状に設けられていてもよい。また、この音吸収溝は、床面の長手方向に沿って連続的に設けられていているのが好ましいが、複数箇所で断続していてもよい。これにより、扉の下部と床面との隙間を通過する音を床面の長手方向に沿って効率よく吸収することができ、十分な遮音性能を得ることができる。また、音吸収溝は、このように床面の長手方向に沿って１列設ければ十分な遮音性能を得ることはできるが、勿論、扉の厚さ方向、すなわち、扉の一方面側から他方面側に沿って複数並設するようにしてもよい。   Here, the sound absorbing groove is opened in the lower end surface facing the floor surface of the door body, and may be provided linearly along the longitudinal direction of the floor surface, or provided in a wave shape. Also good. Moreover, although it is preferable that this sound absorption groove is provided continuously along the longitudinal direction of the floor surface, it may be intermittent at a plurality of locations. Thereby, the sound which passes the clearance gap between the lower part of a door and a floor surface can be absorbed efficiently along the longitudinal direction of a floor surface, and sufficient sound insulation performance can be obtained. In addition, if the sound absorbing grooves are provided in one row along the longitudinal direction of the floor as described above, sufficient sound insulation performance can be obtained. Of course, from the thickness direction of the door, that is, from one side of the door. A plurality may be provided side by side along the other side.

このような音吸収溝の深さは、少なくとも扉本体と床面との間隔よりも深いことが好ましい。扉本体と床面との隙間は、通常、数ミリ程度であるため、音吸収溝をこれよりも深く、例えば、数センチ程度の深さとするのが好ましい。これにより、音が音吸収溝で拡散・吸収され、十分な遮音性能を得ることができる。また、この音吸収溝の断面形状は、例えば、三角形、四角形、台形、及び円形等が挙げられるが、勿論、本発明はこれらに限定されるものではなく、音吸収溝の内方に入射した音がその内壁で反射しても外部へ出難い形状とするのが好ましい。例えば、音吸収溝の開口側の幅よりも底部側の幅が幅広となっていることが好ましい。これにより、音吸収溝に入射した音がそこから抜け出し難くなるため、遮音性能を高めることができる。   The depth of such a sound absorbing groove is preferably deeper than at least the distance between the door body and the floor surface. Since the gap between the door body and the floor surface is usually about several millimeters, it is preferable that the sound absorption groove is deeper than this, for example, about several centimeters deep. Thereby, sound is diffused and absorbed by the sound absorbing groove, and sufficient sound insulation performance can be obtained. In addition, examples of the cross-sectional shape of the sound absorption groove include a triangle, a quadrangle, a trapezoid, and a circle. Of course, the present invention is not limited to these, and the sound absorption groove is incident on the inside of the sound absorption groove. Even if the sound is reflected by the inner wall, it is preferable to have a shape that is difficult to go outside. For example, it is preferable that the width on the bottom side is wider than the width on the opening side of the sound absorbing groove. This makes it difficult for the sound incident on the sound absorbing groove to escape from the sound absorbing groove, so that the sound insulation performance can be improved.

また、本発明では、音吸収溝の内面の少なくとも一部が凹凸面となっていることが好ましい。これにより、音が音吸収溝の内部で複雑に拡散・吸収され、遮音性能をさらに高めることができる。このような凹凸面は、音吸収溝の内面を所定の表面処理によって形成してもよいが、勿論、材料自体の表面形状を利用して形成してもよい。例えば、扉本体の少なくとも音吸収溝の内面を形成する材料を木材とし、この木材を粗削り等して音吸収溝を形成すれば、その音吸収溝の内面が凹凸面となる。   Moreover, in this invention, it is preferable that at least one part of the inner surface of a sound absorption groove | channel is an uneven surface. Thereby, the sound is diffused and absorbed in a complicated manner inside the sound absorption groove, and the sound insulation performance can be further enhanced. Such an uneven surface may be formed by a predetermined surface treatment on the inner surface of the sound absorbing groove, but of course, the surface shape of the material itself may be used. For example, if the material for forming at least the inner surface of the sound absorbing groove of the door body is wood and the sound absorbing groove is formed by roughing the wood, the inner surface of the sound absorbing groove becomes an uneven surface.

さらに、本発明では、音吸収溝の内面の少なくとも一部を吸音材によって覆うようにしてもよい。これにより、音吸収溝の内部で音が拡散され、且つ音が吸音材で吸収されるため、遮音性能をさらに高めることができる。特に、音吸収溝の内面を凹凸面とし、その上から吸音材で覆うようにすれば効果的である。なお、このような吸音材としては、例えば、ガラス繊維、フェルト、あるいはゴム、エラストマー、樹脂等が挙げられ、防音性の高いゴムやエラストマー等が好ましいが、勿論これらに限定されるものではない。   Furthermore, in the present invention, at least a part of the inner surface of the sound absorbing groove may be covered with a sound absorbing material. Thereby, since sound is diffused inside the sound absorption groove and the sound is absorbed by the sound absorbing material, the sound insulation performance can be further enhanced. In particular, it is effective if the inner surface of the sound absorbing groove is an uneven surface and is covered with a sound absorbing material from above. Examples of such a sound absorbing material include glass fiber, felt, rubber, elastomer, resin, and the like, and rubber and elastomer having high soundproofing properties are preferable, but of course not limited thereto.

なお、本発明は、従来公知の扉に適用することができる。扉本体の構造についても、特に限定されず、１枚板でも、積層板でもよい。また、扉本体の両面に化粧合板等の突板を設け、これを防音扉としてもよいし、扉本体をそのまま防音扉としてもよい。   In addition, this invention is applicable to a conventionally well-known door. The structure of the door body is not particularly limited, and may be a single plate or a laminated plate. In addition, protrusions such as decorative plywood may be provided on both sides of the door body, and this may be used as a soundproof door, or the door body may be used as a soundproof door as it is.

以下に本発明を実施形態に基づいて詳細に説明する。   Hereinafter, the present invention will be described in detail based on embodiments.

（実施形態１）
図１は、本発明の実施形態１に係る防音扉の要部断面図である。図１に示すように、本実施形態の防音扉１０は、扉本体１１の床面２０と相対向する下部の端面に開口すると共にその床面２０の長手方向に沿って連続的に設けられた音吸収溝１２を具備する。そして、この音吸収溝１２の深さは、扉本体１１と床面２０との間隔よりも深く形成されている。また、音吸収溝１２の断面形状は、例えば、本実施形態では、音吸収溝１２の底部側の幅が床面２０側の幅よりも幅広となった台形形状、すなわち、音吸収溝１２の開口側の幅よりも底部側の幅を幅広としている。 (Embodiment 1)
FIG. 1 is a cross-sectional view of a main part of a soundproof door according to Embodiment 1 of the present invention. As shown in FIG. 1, the soundproof door 10 according to the present embodiment is provided at the lower end surface facing the floor surface 20 of the door body 11 and continuously provided along the longitudinal direction of the floor surface 20. A sound absorbing groove 12 is provided. The depth of the sound absorbing groove 12 is deeper than the distance between the door body 11 and the floor surface 20. The cross-sectional shape of the sound absorbing groove 12 is, for example, a trapezoidal shape in which the width on the bottom side of the sound absorbing groove 12 is wider than the width on the floor surface 20 side in this embodiment, that is, the sound absorbing groove 12. The width on the bottom side is wider than the width on the opening side.

このように、本実施形態では、扉本体１１の下部の端面に開口する音吸収溝１２を床面の長手方向に沿って連続的に設けるようにしたので、扉本体１１と床面２０との隙間を一方側から他方側に通過する音（音波）Ｓが床面２０で反射して音吸収溝１２に入射すると、その音吸収溝１２の内面１３でさらに反射されてその内部で拡散され、あるいは波動が乱される。また、本実施形態では、音吸収溝１２の開口側の幅よりも底部側の幅を幅広としているため、音が音吸収溝１２内からその外側に抜け難くなっている。このため、音吸収溝１２から抜け出た音は、非常に小さな波動となっている。これにより、優れた遮音性能を得ることができる。   Thus, in this embodiment, since the sound absorption groove 12 opened in the lower end surface of the door body 11 is continuously provided along the longitudinal direction of the floor surface, the door body 11 and the floor surface 20 When the sound (sound wave) S passing through the gap from one side to the other side is reflected by the floor surface 20 and enters the sound absorbing groove 12, it is further reflected by the inner surface 13 of the sound absorbing groove 12 and diffused therein. Or the wave is disturbed. In this embodiment, since the width on the bottom side is wider than the width on the opening side of the sound absorbing groove 12, it is difficult for sound to escape from the sound absorbing groove 12 to the outside. For this reason, the sound that has escaped from the sound absorbing groove 12 is a very small wave. Thereby, the outstanding sound insulation performance can be obtained.

また、扉本体１１の下部に音吸収溝１２を設けるという比較的簡単な構造であるため、機械的な構造が不要であり、扉の設計変更等の必要もなく、既存の扉に容易に適用することができる。したがって、大幅なコストの削減を図ることができる。   In addition, since the sound absorbing groove 12 is provided in the lower part of the door body 11, a mechanical structure is unnecessary, and it is not necessary to change the design of the door and can be easily applied to an existing door. can do. Therefore, significant cost reduction can be achieved.

ここで、本発明の防音扉を構成する扉本体は、例えば、金属製のものでも、木製のものでもよいが、扉の厚さ方向に直接音が振動して通過し難いものが好ましい。また、防音扉の構造についても特に限定されず、扉本体をそのまま防音扉としてもよいし、この扉本体の表面に化粧合板等を接合し、これを防音扉としてもよい。さらに、扉本体の構造や材料等も特に限定されず、例えば、木製の場合には、１枚板でもよいし、積層板でもよいが、扉本体の四辺を人工合板、Ｌ．Ｖ．Ｌ等の補強部材で覆った構造でもよい。なお、このような木製扉に本発明を適用した例については、詳しく後述する。   Here, the door main body constituting the soundproof door of the present invention may be made of metal or wooden, for example, but it is preferable that the sound directly vibrates in the thickness direction of the door and hardly passes. The structure of the soundproof door is not particularly limited, and the door main body may be used as it is as a soundproof door, or a decorative plywood or the like may be joined to the surface of the door main body, and this may be used as the soundproof door. Further, the structure and material of the door main body are not particularly limited. For example, in the case of wood, a single plate or a laminated plate may be used. V. A structure covered with a reinforcing member such as L may be used. An example in which the present invention is applied to such a wooden door will be described in detail later.

（実施形態２）
図２は、本発明の実施形態１に係る他の防音扉の概略を示す斜視図及びその要部断面図である。図２に示すように、防音扉１０Ａは、木製扉であり、木材からなる複数の板材を積層した積層板３０と、その四方に設けられた補強部材（框材）４０とからなる扉本体である芯材５０を具備する。なお、この芯材５０の表面には、化粧合板６０が接合されている。そして、本実施形態では、芯材５０の床面と相対向する端面、すなわち、補強部材４０の端面には、音吸収溝１２Ａが床面の長手方向に沿って連続的に設けられている。このような構成としても、扉の下部の床面との隙間を通過する音が音吸収溝１２Ａで拡散・吸収されるため、優れた遮音性能を得ることができる。また、木製扉１０Ａの床面と相対向する端面に音吸収溝１２Ａを設けるという比較的簡単な構造であるため、大幅なコストの削減を図ることができる。 (Embodiment 2)
FIG. 2 is a perspective view showing an outline of another soundproof door according to the first embodiment of the present invention and a cross-sectional view of an essential part thereof. As shown in FIG. 2, the soundproof door 10 </ b> A is a wooden door, and is a door main body including a laminated plate 30 in which a plurality of plate materials made of wood are laminated, and reinforcing members (saddle materials) 40 provided on the four sides thereof. A certain core material 50 is provided. A decorative plywood 60 is joined to the surface of the core member 50. In the present embodiment, the sound absorbing groove 12A is continuously provided along the longitudinal direction of the floor surface at the end surface opposite to the floor surface of the core member 50, that is, the end surface of the reinforcing member 40. Even with such a configuration, the sound passing through the gap between the floor and the lower part of the door is diffused and absorbed by the sound absorbing groove 12A, so that excellent sound insulation performance can be obtained. In addition, since the sound absorbing groove 12A is provided on the end surface opposite to the floor surface of the wooden door 10A, a significant cost reduction can be achieved.

（他の実施形態）
以上、本発明の実施形態について説明したが、勿論、本発明は上述の実施形態に限定されるものではない。例えば、図３（ａ）に示すように、扉本体１０Ｂの音吸収溝１２Ｂの内面を凹凸面１３Ｂとした防音扉１０Ｂとしてもよい。これにより、音が音吸収溝１２Ｂで複雑に拡散され、遮音性能をさらに高めることができる。また、図３（ｂ）に示すように、扉本体１１Ｃの音吸収溝１２Ｃの内面１３Ｃを吸音材１４で覆うようにした防音扉１０Ｃとしてもよい。これにより、音が吸収材１４で吸収され、遮音性能をさらに高めることができる。 (Other embodiments)
As mentioned above, although embodiment of this invention was described, of course, this invention is not limited to the above-mentioned embodiment. For example, as shown to Fig.3 (a), it is good also as the soundproof door 10B which used the inner surface of the sound absorption groove | channel 12B of the door main body 10B as the uneven surface 13B. Thereby, sound is diffused in a complicated manner in the sound absorbing groove 12B, and the sound insulation performance can be further enhanced. Moreover, as shown in FIG.3 (b), it is good also as the soundproof door 10C which covered the inner surface 13C of the sound absorption groove | channel 12C of the door main body 11C with the sound-absorbing material 14. FIG. Thereby, sound is absorbed by the absorber 14 and the sound insulation performance can be further enhanced.

本発明の実施形態１に係る防音扉の要部断面図である。It is principal part sectional drawing of the soundproof door which concerns on Embodiment 1 of this invention. 本発明の実施形態２に係る他の防音扉の斜視図及びその要部断面図である。It is the perspective view of the other soundproof door which concerns on Embodiment 2 of this invention, and its principal part sectional drawing. 本発明の他の実施形態に係る防音扉の要部断面図である。It is principal part sectional drawing of the soundproof door which concerns on other embodiment of this invention.

符号の説明Explanation of symbols

１０ 防音扉
１１ 扉本体
１２ 音吸収溝
１３ 内面
１４ 吸音材
２０ 床面
３０ 積層板
４０ 補強部材
６０ 化粧合板 DESCRIPTION OF SYMBOLS 10 Soundproof door 11 Door main body 12 Sound absorption groove 13 Inner surface 14 Sound absorption material 20 Floor surface 30 Laminated board 40 Reinforcement member 60 Cosmetic plywood

Claims (7)

扉本体の床面と相対向する下部の端面に開口すると共に当該床面の長手方向に沿って設けられた音吸収溝を具備することを特徴とする防音扉。 A soundproof door comprising a sound absorbing groove that opens in a lower end surface opposite to a floor surface of the door body and is provided along a longitudinal direction of the floor surface. 請求項１において、前記音吸収溝は、前記床面の長手方向に沿って連続的に設けられていることを特徴とする防音扉。 The soundproof door according to claim 1, wherein the sound absorbing groove is provided continuously along a longitudinal direction of the floor surface. 請求項１又は２において、前記音吸収溝の深さが少なくとも前記扉本体と前記床面との間隔よりも深いことを特徴とする防音扉。 The soundproof door according to claim 1 or 2, wherein the depth of the sound absorbing groove is deeper than at least a distance between the door body and the floor surface. 請求項１〜３の何れかにおいて、前記音吸収溝は、開口側の幅よりも底部側の幅が幅広となっていることを特徴とする防音扉。 The soundproof door according to any one of claims 1 to 3, wherein the sound absorbing groove has a width on the bottom side wider than a width on the opening side. 請求項１〜４の何れかにおいて、前記音吸収溝の内面の少なくとも一部が凹凸面となっていることを特徴とする防音扉。 The soundproof door according to any one of claims 1 to 4, wherein at least a part of the inner surface of the sound absorbing groove is an uneven surface. 請求項１〜５の何れかにおいて、前記音吸収溝の内面の少なくとも一部が吸音材によって覆われていることを特徴とする防音扉。 The soundproof door according to any one of claims 1 to 5, wherein at least a part of the inner surface of the sound absorbing groove is covered with a sound absorbing material. 請求項１〜６の何れかにおいて、少なくとも前記音吸収溝の内面を形成する部分が木材からなることを特徴とする防音扉。 The soundproof door according to any one of claims 1 to 6, wherein at least a portion forming an inner surface of the sound absorbing groove is made of wood.
JP2003394699A 2003-11-25 2003-11-25 Soundproof door Pending JP2005155155A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017210716A (en) * 2016-05-23 2017-11-30 清水建設株式会社 Sound insulation door structure
JP2017210720A (en) * 2016-05-23 2017-11-30 清水建設株式会社 Door system
DE102017003697A1 (en) * 2017-04-18 2018-10-18 Bob Holding Gmbh Sound absorbing door leaf edge

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JPH0218893U (en) * 1988-07-25 1990-02-07
JPH0754420A (en) * 1993-08-10 1995-02-28 Nozawa Corp Manufacture of resonator type soundproof panel
JPH08284546A (en) * 1995-04-11 1996-10-29 Sekisui Chem Co Ltd Ventilated sound insulating door
JPH1046700A (en) * 1996-08-01 1998-02-17 Nozawa Corp Resonator member and molding method of soundproof board making use thereof
JPH10299325A (en) * 1997-04-22 1998-11-10 Kimimoto Yoshino Guide device for lower part of top-hinged swinging door
JPH1171954A (en) * 1997-06-25 1999-03-16 Matsushita Electric Works Ltd Guide apparatus for overhang door
JP2000170433A (en) * 1998-12-07 2000-06-20 Juken Sangyo Co Ltd Play prevention structure of overhang type sliding door
JP2001123759A (en) * 1999-10-27 2001-05-08 Uenaka Sangyo Kk Fitting having sound insulation function
JP2001303836A (en) * 2000-04-21 2001-10-31 Dantani Plywood Co Ltd Anti-swing structure for top-railed sliding door

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0218893U (en) * 1988-07-25 1990-02-07
JPH0754420A (en) * 1993-08-10 1995-02-28 Nozawa Corp Manufacture of resonator type soundproof panel
JPH08284546A (en) * 1995-04-11 1996-10-29 Sekisui Chem Co Ltd Ventilated sound insulating door
JPH1046700A (en) * 1996-08-01 1998-02-17 Nozawa Corp Resonator member and molding method of soundproof board making use thereof
JPH10299325A (en) * 1997-04-22 1998-11-10 Kimimoto Yoshino Guide device for lower part of top-hinged swinging door
JPH1171954A (en) * 1997-06-25 1999-03-16 Matsushita Electric Works Ltd Guide apparatus for overhang door
JP2000170433A (en) * 1998-12-07 2000-06-20 Juken Sangyo Co Ltd Play prevention structure of overhang type sliding door
JP2001123759A (en) * 1999-10-27 2001-05-08 Uenaka Sangyo Kk Fitting having sound insulation function
JP2001303836A (en) * 2000-04-21 2001-10-31 Dantani Plywood Co Ltd Anti-swing structure for top-railed sliding door

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017210716A (en) * 2016-05-23 2017-11-30 清水建設株式会社 Sound insulation door structure
JP2017210720A (en) * 2016-05-23 2017-11-30 清水建設株式会社 Door system
DE102017003697A1 (en) * 2017-04-18 2018-10-18 Bob Holding Gmbh Sound absorbing door leaf edge

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